[Bug 1929721] Re: [22.04 FEAT] HSCI: Multi-MAC Support - s390-tools part

[Frank Heimes]

*** This bug is a duplicate of bug 1959420 ***
    https://bugs.launchpad.net/bugs/1959420

** Information type changed from Private to Public

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Title:
  [22.04 FEAT] HSCI: Multi-MAC Support - s390-tools part

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in s390-tools package in Ubuntu:
  Fix Released

Bug description:
  Enhance HSCI (HiperSockets Converged Interface) with multi-MAC support
  and provide the corresponding tool for exploitation.

  Business value: Provide improved capabilites for KVM setups on IBM Z,
  enhance z/OS interoperation

  The initial version of HSCI supports single-MAC setups only, where
  only a single MAC can be registered for the HSCI. This will not work
  with regular Open vSwitch or MacVTap setups as used by our KVM
  customers, as both try to register add'l MACs for the KVM guests. And
  that will also precent z/OS <-> KVM co-location cases from working.

  This line item will overcome this restriction. If possible, the
  tooling should exploit multi-MAC transparently (i.e. no add'l switch
  required - it's enabled all the time).

  This feature request is the s390-tools contribution part.
  Will be made available with s390-tools >=2.18.
  Backport will be provided if needed.

  Business value:
  z/OS Co-location.

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